National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

59°F

15°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in (1018.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 19 May 11:56 pm EDT
Extended Forecast for

Derwood MD

  • Overnight

    Overnight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 58. Light southeast wind.

    Low: 58 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 77. Southeast wind 3 to 5 mph.

    High: 77 °F

    Areas Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 58. Southeast wind 3 to 5 mph.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, sunny, with a high near 82. South wind 3 to 6 mph.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. South wind around 6 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 58. Light southeast wind.
Monday
Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 77. Southeast wind 3 to 5 mph.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 58. Southeast wind 3 to 5 mph.
Tuesday
Patchy fog before 10am. Otherwise, sunny, with a high near 82. South wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 59. South wind around 6 mph.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 78.
Friday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Derwood MD
 39.14°N 77.12°W (Elev. 400 ft)
Last Update:
10:30 pm EDT May 19, 2024
Forecast Valid:
12am EDT May 20, 2024-6pm EDT May 26, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation